function template
<complex>

std::cosh

template<class T> complex<T> cosh (const complex<T>& x);
Hyperbolic cosine of complex
Returns the hyperbolic cosine of the complex number x.

This is the complex version of the cos function (defined in <cmath>).

Parameters

x
Complex value, representing an angle expressed in radians.

Return value

Hyperbolic cosine of x.

See also